215513936

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{28477}}^1$

素因数の和:28539

約数の個数: 40

約数和(自身を含む): 466127904

約数和(自身を除く): 250613968

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 3784, 7568, 28477, 56954, 113908, 227816, 313247, 455632, 626494, 1224511, 1252988, 2449022, 2505976, 4898044, 5011952, 9796088, 13469621, 19592176, 26939242, 53878484, 107756968, 215513936]

約数ペア:

[(1, 215513936), (2, 107756968), (4, 53878484), (8, 26939242), (11, 19592176), (16, 13469621), (22, 9796088), (43, 5011952), (44, 4898044), (86, 2505976), (88, 2449022), (172, 1252988), (176, 1224511), (344, 626494), (473, 455632), (688, 313247), (946, 227816), (1892, 113908), (3784, 56954), (7568, 28477)]